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#ifndef CAFFE2_OPERATORS_ERF_OP_H_
#define CAFFE2_OPERATORS_ERF_OP_H_
#include <vector>
#include "caffe2/operators/elementwise_ops.h"
#include "caffe2/utils/math.h"
constexpr float PI = 3.14159265358979323846;
namespace caffe2 {
template <class Context>
struct ErfFunctor {
template <typename T>
bool operator()(const int N, const T* X, T* Y, Context* context) const {
math::Erf(N, X, Y, context);
return true;
}
};
template <class Context>
struct ErfGradientFunctor {
template <typename T>
bool Forward(
const std::vector<int>& X_dims,
const std::vector<int>& dY_dims,
const T* X,
const T* dY,
T* dX,
Context* context) const;
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_ERF_OP_H_
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